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\caption{Lee Bounds Results}
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\toprule
&{(1)}&{(2)}&{(3)}&{(4)} \tabularnewline \midrule
Variable & Lower Bound & Upper Bound & CI Lower & CI Upper \\ \tabularnewline 
{variable}&{lb\_fmt}&{ub\_fmt}&{ci\_lb\_fmt}&{ci\_ub\_fmt} \tabularnewline
\midrule \addlinespace[\belowrulesep]
Min. Wage (0/1)&0.032&0.032&--0.020&0.083 \tabularnewline
Written Contract (0/1)&0.068&0.071&0.004&0.135 \tabularnewline
Social Security (0/1)&0.031&0.034&--0.020&0.085 \tabularnewline
Formality Index (0--1)&0.055&0.058&0.014&0.099 \tabularnewline
Wage (Log)&0.039&0.097&--0.020&0.155 \tabularnewline
Satisfied (0/1)&--0.034&--0.025&--0.092&0.033 \tabularnewline
Hours worked&--1.860&--1.570&--3.695&0.264 \tabularnewline
Training Part. (0/1)&--0.045&--0.040&--0.110&0.026 \tabularnewline
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\\ \parbox{\linewidth}{\footnotesize Notes: This table shows Lee bounds estimates.}
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